CN210106228U - Remote time differentiation exhaust lighting circuit - Google Patents
Remote time differentiation exhaust lighting circuit Download PDFInfo
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- CN210106228U CN210106228U CN201920798963.9U CN201920798963U CN210106228U CN 210106228 U CN210106228 U CN 210106228U CN 201920798963 U CN201920798963 U CN 201920798963U CN 210106228 U CN210106228 U CN 210106228U
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Abstract
The utility model relates to a long-range time differentiation exhaust lighting circuit, including air switch, first remote control switch, exhaust local operation switch, distribution room exhaust fan, time delay switch relay, pilot signal lamp, time delay switch, step-down coil, illumination light, illumination local operation switch and second remote control switch; the utility model discloses the hardware fund input is little, and is with low costs, has saved ventilation exhaust latency, has improved work efficiency, avoids the extravagant energy of long-term ventilation, night or the inconvenient problem of switch is look for to underground distribution room, still eliminates the potential safety hazard in addition, avoids the signal time delay to appear ventilation time not enough and the malfunctioning scheduling problem of remote control. But also can shorten the operation time and improve the working environment of the staff.
Description
Technical Field
The utility model relates to an electric power field, more specifically relates to a long-range time differentiation exhaust lighting circuit.
Background
According to the safety regulation of a power grid, when the power grid enters an SF6 switch power distribution room, if an SF6 gas content display device does not exist at an inlet, ventilation is firstly carried out for 15 minutes, and the waiting process is longer. And the exhaust fan switch of joining in marriage electrical room is established inside joining in marriage electrical room mostly, and the operation and maintenance staff need enter and join in marriage electrical room and just can open the exhaust fan, and SF6 gas is easily inhaled to this process. And partial underground power distribution room light is serious not enough, and lighting switch position is irregular, and the dark searching has equipment and operation electric shock personal risk, has the risk point that endangers the worker health.
To solve these problems, there are mainly the following two prior art solutions:
control of intelligent power distribution room based on environmental condition monitoring: mainly through installing various sensors additional, through environmental perception trigger switch such as monitoring humidity, temperature gas concentration, because detecting instrument cost is more expensive, be difficult to popularize and apply at the distribution network level temporarily.
Controlling a travel switch: when a patrol worker enters a power distribution room and opens a power distribution room door, a travel switch is triggered in the door opening process, so that an exhaust fan and lamplight are started, and certain timeliness and potential safety hazards exist;
disclosure of Invention
In order to solve among the prior art SF6 switch distribution room detection technique cost too high, the ageing poor not enough, the utility model provides a long-range time differentiation exhaust lighting circuit.
In order to realize the purpose, the technical scheme is as follows:
a remote time-difference exhaust lighting circuit comprises an air switch, a first remote control switch, an exhaust local operation switch, a power distribution room exhaust fan, a delay switch relay, an indication signal lamp, a delay switch, a voltage reduction coil, lighting light, an illumination local operation switch and a second remote control switch;
one end of the air switch is connected with the live wire, and the other end of the air switch is respectively connected with a normally open contact of the exhaust local operation switch, one end of the first remote control switch, a normally open contact of the illumination local operation switch and one end of the second remote control switch;
the normally closed contact of the exhaust local operation switch is connected with the other end of the remote control switch and one end of the voltage reduction coil; the third port of the exhaust local operation switch is respectively connected with one end of an exhaust fan of the power distribution room and one end of a delay switch relay;
one end of the voltage reduction coil is connected with one end of the first remote control switch and a normally open contact of the lighting local operation switch, and the other end of the voltage reduction coil is connected with a first port of the delay switch;
the second port of the delay switch is grounded, and the third port is connected with one end of the indicator light; the other end of the indicating signal lamp is connected with the zero line; the other end of the power distribution room exhaust fan is connected with a 220V zero line; the other end of the delay switch relay is connected with a zero line;
the normally closed contact of the lighting on-site operation switch is connected with a second remote control switch, and a third port of the lighting on-site operation switch is connected with lighting lamp light; the other end of the lighting light is connected with the zero line.
Preferably, the first remote control switch and the second remote control switch are controlled based on a GPRS communication mode.
Preferably, the voltage grade of the zero line and the live line is 220V.
Preferably, the time limit of the time delay switch is set to be 15 minutes.
Preferably, the control voltage of the delay switch is 0.2V.
Preferably, the demonstration device comprises a power supply, a relay, a mutual inductor, a switch, a comparison amplifier and a signal lamp.
Preferably, the lighting lamp adopts an LED lamp.
During the use, through the first remote control switch of GPRS communication remote control, thereby control air discharge fan return circuit and signal delay switch, after first remote control switch closes, join in marriage electrical room air discharge fan and start immediately, delay switch relay and the parallelly connected countdown of air discharge fan, ventilate 15 minutes after, delay switch is closed, instruct signal lamp current to switch on, instruct the signal lamp to light, tour personnel see that instruct the signal lamp to light and can get into and join in marriage electrical room work, and after first remote control switch disconnection, join in marriage electrical room air discharge fan and shut down, parallelly connected delay switch relay does not have the current to switch on, delay switch loses magnetic force automatic disconnection, resume initial condition.
Through GPRS communication remote control second remote control switch, the intercommunication joins in marriage the lighting lamp light of electrical room, closes the back when second remote control switch, joins in marriage electrical room lighting lamp light and starts immediately, and when second remote control switch disconnection, lighting lamp light extinguishes.
In consideration of the case of failure of the remote control switch, the worker can directly control the exhaust fan and the lighting lamp of the power distribution room through the exhaust local operation switch and the lighting local operation switch.
Compared with the prior art, the invention has the beneficial effects that:
the utility model discloses the hardware fund input is little, and is with low costs, has saved ventilation exhaust latency, has improved work efficiency, avoids the extravagant energy of long-term ventilation, night or the inconvenient problem of switch is look for to underground distribution room, still eliminates the potential safety hazard in addition, avoids the signal time delay to appear ventilation time not enough and the malfunctioning scheduling problem of remote control. But also can shorten the operation time and improve the working environment of the staff.
Drawings
Fig. 1 is a circuit structure diagram of the present invention.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
the invention is further illustrated below with reference to the figures and examples.
Example 1
As shown in fig. 1, a remote time-lapse exhaust lighting circuit comprises an air switch 1, a first remote control switch 8, an exhaust local operation switch 2, a power distribution room exhaust fan 3, a delay switch 5, a relay 4, an indication signal lamp 6, a delay switch 5, a voltage reduction coil 7, lighting light 10, a lighting local operation switch 11 and a second remote control switch 9;
one end of the air switch 1 is connected with a live wire, and the other end of the air switch is respectively connected with a normally open contact of the exhaust local operation switch 2, one end of the first remote control switch 8, a normally open contact of the illumination local operation switch 11 and one end of the second remote control switch 9;
the normally closed contact of the exhaust local operation switch 2 is connected with the other end of the remote control switch and one end of the voltage reduction coil 7; the third port of the exhaust local operation switch 2 is respectively connected with one end of an exhaust fan 3 of the power distribution room and one end of a relay 4 of a time delay switch 5;
one end of the voltage reduction coil 7 is connected with one end of a first remote control switch 8 and a normally open contact of a lighting local operation switch 11, and the other end of the voltage reduction coil 7 is connected with a first port of the delay switch 5;
the second port of the delay switch 5 is grounded, and the third port is connected with one end of an indicator light 6; the other end of the indicating signal lamp 6 is connected with a zero line; the other end of the power distribution room exhaust fan 3 is connected with a 220V zero line; the other end of the relay 4 of the delay switch 5 is connected with a zero line;
the normally closed contact of the lighting local operation switch 11 is connected with the second remote control switch 9, and the third port of the lighting local operation switch 11 is connected with lighting light 10; the other end of the lighting light 10 is connected with the zero line.
As a preferred embodiment, the first remote control switch 8 and the second remote control switch 9 implement the switch control based on the GPRS communication method.
As a preferred embodiment, the voltage level of the zero line and the live line is 220V.
As a preferred embodiment, the time limit of the time delay switch 5 is set to 15 minutes.
As a preferred embodiment, the control voltage of the delay switch 5 is 0.2V.
As a preferred embodiment, the demonstration device comprises a power supply, a relay, a mutual inductor, a switch, a comparison amplifier and a signal lamp.
In a preferred embodiment, the lighting lamp 10 is an LED lamp.
During the use, through the first remote control switch 8 of GPRS communication remote control, thereby control air discharge fan return circuit and signal delay switch 5, after first remote control switch 8 closes, join in marriage electrical room air discharge fan 3 and start immediately, delay switch 5 relay 4 and the parallelly connected countdown of air discharge fan, ventilate 15 minutes after, delay switch 5 is closed, indicate signal lamp 6 electric current to switch on, indicate signal lamp 6 to light, tour personnel see that indicate signal lamp 6 is bright can get into and join in marriage electrical room work, and after first remote control switch 8 disconnection, join in marriage electrical room air discharge fan 3 and shut down, parallelly connected delay switch 5 relay 4 does not have electric current to switch on, delay switch 5 loses magnetic force automatic disconnection, resume initial condition.
Through GPRS communication remote control second remote control switch 9, communicate the lighting lamp light 10 of joining in marriage electrical room, after second remote control switch 9 closes, join in marriage electrical room lighting lamp light 10 and start immediately, and when second remote control switch 9 disconnection, lighting lamp light 10 extinguishes.
In the event of a failure of the remote control switch, the operator can directly control the distribution room exhaust fan 3 and the lighting lamp 10 through the exhaust on-site operation switch 2 and the lighting on-site operation switch 11.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (6)
1. A remote time-difference exhaust lighting circuit is characterized by comprising an air switch (1), a first remote control switch (8), an exhaust local operation switch (2), a power distribution room exhaust fan (3), a time delay switch (5), a relay (4), an indication signal lamp (6), the time delay switch (5), a voltage reduction coil (7), lighting light (10), a lighting local operation switch (11) and a second remote control switch (9);
one end of the air switch (1) is connected with a live wire, and the other end of the air switch is respectively connected with a normally open contact of the exhaust local operation switch (2), one end of the first remote control switch (8), a normally open contact of the illumination local operation switch (11) and one end of the second remote control switch (9);
the normally closed contact of the exhaust local operation switch (2) is connected with the other end of the remote control switch and one end of the voltage reduction coil (7); a third port of the exhaust local operation switch (2) is respectively connected with one end of an exhaust fan (3) of the power distribution room and one end of a relay (4) of the time delay switch (5);
one end of the voltage reduction coil (7) is connected with one end of a first remote control switch (8) and a normally open contact of a lighting local operation switch (11), and the other end of the voltage reduction coil (7) is connected with a first port of the time delay switch (5);
the second port of the delay switch (5) is grounded, and the third port is connected with one end of an indicator light (6); the other end of the indicating signal lamp (6) is connected with a zero line; the other end of the power distribution room exhaust fan (3) is connected with a 220V zero line; the other end of the delay switch (5) and the relay (4) is connected with a zero line;
a normally closed contact of the lighting local operation switch (11) is connected with a second remote control switch (9), and a third port of the lighting local operation switch (11) is connected with lighting light (10); the other end of the lighting light (10) is connected with the zero line.
2. A remote time-differentiated exhaust lighting circuit according to claim 1, characterised in that the first remote control switch (8) and the second remote control switch (9) are based on GPRS communication to realize the switch control.
3. The remote time-differentiated air discharge lighting circuit according to claim 1, wherein the voltage level of the neutral line and the live line is 220V.
4. A remote time-differentiated exhaust lighting circuit according to claim 1, characterised in that the time limit of the time delay switch (5) is set to 15 minutes.
5. A remote time-differentiated exhaust lighting circuit according to claim 1, characterised in that the control voltage of said time-delayed switch (5) is 0.2V.
6. A remote time-lapse exhaust lighting circuit according to claim 1, wherein the lighting lamp (10) is an LED lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920798963.9U CN210106228U (en) | 2019-05-29 | 2019-05-29 | Remote time differentiation exhaust lighting circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920798963.9U CN210106228U (en) | 2019-05-29 | 2019-05-29 | Remote time differentiation exhaust lighting circuit |
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| Publication Number | Publication Date |
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| CN210106228U true CN210106228U (en) | 2020-02-21 |
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| CN201920798963.9U Active CN210106228U (en) | 2019-05-29 | 2019-05-29 | Remote time differentiation exhaust lighting circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107524A (en) * | 2019-05-29 | 2019-08-09 | 广东电网有限责任公司 | A kind of long-range time differenceization exhaust lighting system and control method |
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2019
- 2019-05-29 CN CN201920798963.9U patent/CN210106228U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107524A (en) * | 2019-05-29 | 2019-08-09 | 广东电网有限责任公司 | A kind of long-range time differenceization exhaust lighting system and control method |
| CN110107524B (en) * | 2019-05-29 | 2024-04-30 | 广东电网有限责任公司 | Remote time difference type exhaust illumination system and control method |
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